.reg_form {
  padding: 10px;
  font-size: 14px;
}

.reg_form input {
  font-size: 14px;
}

.reg_form .code-row {
  position: relative;
}

.reg_form .code-row #code_btn {
  position: absolute;
  top: 0;
  right: 5px;
  width: auto;
}

.btn_tool {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  padding: 10px;
}

.btn_tool button {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  padding: 10px 0;
}
